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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/* RFC1183 */
#ifndef RDATA_GENERIC_X25_19_C
#define RDATA_GENERIC_X25_19_C
#define RRTYPE_X25_ATTRIBUTES (0)
static isc_result_t
fromtext_x25(ARGS_FROMTEXT) {
isc_token_t token;
unsigned int i;
REQUIRE(type == dns_rdatatype_x25);
UNUSED(type);
UNUSED(rdclass);
UNUSED(origin);
UNUSED(options);
UNUSED(callbacks);
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
false));
if (token.value.as_textregion.length < 4) {
RETTOK(DNS_R_SYNTAX);
}
for (i = 0; i < token.value.as_textregion.length; i++) {
if (!isdigit((unsigned char)token.value.as_textregion.base[i]))
{
RETTOK(ISC_R_RANGE);
}
}
RETTOK(txt_fromtext(&token.value.as_textregion, target));
return (ISC_R_SUCCESS);
}
static isc_result_t
totext_x25(ARGS_TOTEXT) {
isc_region_t region;
UNUSED(tctx);
REQUIRE(rdata->type == dns_rdatatype_x25);
REQUIRE(rdata->length != 0);
dns_rdata_toregion(rdata, ®ion);
return (txt_totext(®ion, true, target));
}
static isc_result_t
fromwire_x25(ARGS_FROMWIRE) {
isc_region_t sr;
unsigned int i;
REQUIRE(type == dns_rdatatype_x25);
UNUSED(type);
UNUSED(dctx);
UNUSED(rdclass);
UNUSED(options);
isc_buffer_activeregion(source, &sr);
if (sr.length < 5 || sr.base[0] != (sr.length - 1)) {
return (DNS_R_FORMERR);
}
for (i = 1; i < sr.length; i++) {
if (sr.base[i] < 0x30 || sr.base[i] > 0x39) {
return (DNS_R_FORMERR);
}
}
return (txt_fromwire(source, target));
}
static isc_result_t
towire_x25(ARGS_TOWIRE) {
UNUSED(cctx);
REQUIRE(rdata->type == dns_rdatatype_x25);
REQUIRE(rdata->length != 0);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static int
compare_x25(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_x25);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (isc_region_compare(&r1, &r2));
}
static isc_result_t
fromstruct_x25(ARGS_FROMSTRUCT) {
dns_rdata_x25_t *x25 = source;
uint8_t i;
REQUIRE(type == dns_rdatatype_x25);
REQUIRE(x25 != NULL);
REQUIRE(x25->common.rdtype == type);
REQUIRE(x25->common.rdclass == rdclass);
REQUIRE(x25->x25 != NULL && x25->x25_len != 0);
UNUSED(type);
UNUSED(rdclass);
if (x25->x25_len < 4) {
return (ISC_R_RANGE);
}
for (i = 0; i < x25->x25_len; i++) {
if (!isdigit((unsigned char)x25->x25[i])) {
return (ISC_R_RANGE);
}
}
RETERR(uint8_tobuffer(x25->x25_len, target));
return (mem_tobuffer(target, x25->x25, x25->x25_len));
}
static isc_result_t
tostruct_x25(ARGS_TOSTRUCT) {
dns_rdata_x25_t *x25 = target;
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_x25);
REQUIRE(x25 != NULL);
REQUIRE(rdata->length != 0);
x25->common.rdclass = rdata->rdclass;
x25->common.rdtype = rdata->type;
ISC_LINK_INIT(&x25->common, link);
dns_rdata_toregion(rdata, &r);
x25->x25_len = uint8_fromregion(&r);
isc_region_consume(&r, 1);
x25->x25 = mem_maybedup(mctx, r.base, x25->x25_len);
if (x25->x25 == NULL) {
return (ISC_R_NOMEMORY);
}
x25->mctx = mctx;
return (ISC_R_SUCCESS);
}
static void
freestruct_x25(ARGS_FREESTRUCT) {
dns_rdata_x25_t *x25 = source;
REQUIRE(x25 != NULL);
REQUIRE(x25->common.rdtype == dns_rdatatype_x25);
if (x25->mctx == NULL) {
return;
}
if (x25->x25 != NULL) {
isc_mem_free(x25->mctx, x25->x25);
}
x25->mctx = NULL;
}
static isc_result_t
additionaldata_x25(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_x25);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static isc_result_t
digest_x25(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_x25);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static bool
checkowner_x25(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_x25);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (true);
}
static bool
checknames_x25(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_x25);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (true);
}
static int
casecompare_x25(ARGS_COMPARE) {
return (compare_x25(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_X25_19_C */
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